#51D783#51D783

#51D783 is a light, vivid green. Relative luminance 0.520; OKLCH L 78.5% C 0.167 H 152.6°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#51D783
RGB	rgb(81, 215, 131)
HSL	hsl(142, 63%, 58%)
HSV	hsv(142, 62%, 84%)
CMYK	cmyk(62.3%, 0%, 39.1%, 15.7%)
CIE-LAB	lab(77.27, -54.97, 30.92)
CIE-LCH	lch(77.27, 63.07, 150.64°)
OKLab	oklab(78.52% -0.1486 0.077)
OKLCH	oklch(78.52% 0.167 152.6)
XYZ	xyz(31.7879, 51.9857, 29.8273)
Luminance	0.5199 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D783 #D751A5

analogous

#62D751 #51D783 #51D7C6

triadic

#51D783 #8351D7 #D78351

tetradic

#51D783 #5162D7 #D751A5 #D7C651

square

#51D783 #5162D7 #D751A5 #D7C651

split-complementary

#51D783 #C651D7 #D75162

monochromatic

#208D49 #2CBF63 #51D783 #83E2A6 #B5EECA

Accessibility & contrast

On white

1.84

#51D783 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#51D783 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D783

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D783	#FFFFFF	#000000	##000000
##51D783	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C67D

Deuteranopia (green-blind)

#C6BA88

Tritanopia (blue-blind)

#1AD4C2

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d783;
/* rgb */ color: rgb(81, 215, 131);
/* oklch */ color: oklch(78.5% 0.167 152.6);

Tailwind

colors: {
  custom: {
    50: '#8fe4a8',
    500: '#51d783',
    950: '#000000',
  },
}

SCSS

$custom: #51d783;
$custom-light: #8fe4a8;
$custom-dark: #000000;

JSON

{
  "hex": "#51d783",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 131
  },
  "hsl": {
    "h": 142.388,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.78523,
    "c": 0.1674,
    "h": 152.6
  },
  "luminance": 0.51989
}

Semantic roles & 50–950 ramp

primary

#51D783

secondary

#933971

accent

#42A9E6

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D783

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →